Eugenin is a chromone isolated from Peucedanum japonicum.Eugenin potent antiplatelet aggregation activity.

Acifluorfen, a protoporphyrinogen oxidase (PROTOX) inhibitor herbicide, promotes the accumulation of protoporphyrin IX (PPIX), and induces tumors in the rodent liver. Acifluorfen causes strong photooxidative destruction of pigments and lipids in sensitive plant species.

Tangshenoside I might be a potential bioactive marker related to the hematopoietic and immunologic functions of Codonopsis Radix, which could be recommended as the index compound. It has α-glucosidase inhibition activity.